Shundaiwa DGA20EM Owner'S And Operator'S Manual Download | Manualshive

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Warning / Caution Label Locations

When warning / caution labels become unreadable or damaged,

place new labels at the appropriate locations as specified in the following figure.

When ordering the labels, use the following part numbers.

1.  Injuries ······································ (Part  no.:  X505-004630)
2.  Caution  (coolant) ························ (Part  no.:  X505-004650)
3.  Safety  Precaution ······················· (Part  no.:  X505-004660)
4.  Caution  (Electric  Shock) ·············· (Part  no.:  X505-004640)

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Summary of Contents for DGA20EM

Page 1: ...L Vertical Water Cooled 4 Cycle Diesel Engine DGA20EM X753 008 33 0 X753801 490 0 CAUTION Do not operate the Generator or any other appliance before you have read and understood the instructions for use and keep near for ready use ...

Page 2: ......

Page 3: ...eration Store this manual in a specified location where it will be secure and available for consulting at any time Order another copy from the authorized distributor where this generator was purchased if this manual becomes dusty grimy or torn Consult with the authorized distributor where this generator was purchased if you have any inquiries regarding any points related to this generator and manu...

Page 4: ...tion 15 7 Connecting load 16 7 1 Select Load Cable 16 7 2 Connecting Load Cable 17 7 3 ELCB and Grounding 18 8 Initialization and Pre check 21 8 1 Engine Oil 21 8 2 Coolant Water 22 8 3 Fan Belt 24 8 4 Fuel 24 8 5 Fuel Engine Oil and Coolant Leakage 25 8 6 Battery 26 9 Operation 27 9 1 Initialization and Preparation 27 9 2 Procedures during Operation 29 9 3 Stopping 30 9 4 Protection Functions 31 ...

Page 5: ...fans and fan belt Always turn the Power Switch to the OFF position and stop the engine then close and lock OPERATION PANEL DOOR before checking or maintaining the engine or any equipment Always be sure to use Lifting Hook when lifting up the generator Using other parts when lifting up the generator could cause the result of falling Do not attempt to lift the equipment with any additional weight su...

Page 6: ...ow the generator to cool before covering with the protective cover Never allow flame to come close to the generator Always make sure that the engine is stopped when working on piping After working on the piping check that there is no fuel leakage Absolutely never inspect or perform maintenance to the equipment near fire or other open flame CAUTION ELECTRIC SHOCK Do not sprinkle water on equipment ...

Page 7: ...or similar item to avoid any unexpected move when transporting by truck or other vehicle CAUTION PROPERTY DAMAGE Do not use the equipment for any improper applications Improper usage can result in an accident or malfunction If using this generator for medical equipment check before use with the medical equipment manufacturer doctor hospital or similar entity Check that the generator output setting...

Page 8: ...place new labels at the appropriate locations as specified in the following figure When ordering the labels use the following part numbers 1 Injuries Part no X505 004630 2 Caution coolant Part no X505 004650 3 Safety Precaution Part no X505 004660 4 Caution Electric Shock Part no X505 004640 ...

Page 9: ...zu BV 4LE1 Cylinder bore x stroke mm 4 85 x 96 Continuous Rated Output kW PS 19 1 26 Speed min 1 1500 Displacement L 2 179 Combustion Method Swirl Chambered Cooling Method Water cooling radiator Lubricating Trochoid pump force feed lubrication Starting Starter Motor Fuel Diesel Oil SAE Class CD or higher Fuel Tank Capacity L 78 Lubricant Volume L 8 8 including filter 0 4 L Coolant Volume L 8 2 inc...

Page 10: ...umidity less than 80 Altitude Less than 300m Power Supply for submersible Pump etc Power Supply for lightings etc Power Supply for electric tools home appliances 4 1 Outer and Main Components 3 Use 4 Parts Components Lug for rope Lifting Lug Operation Panel Door Output Terminal Cover Fuel Inlet Engine Check Door Outer Fuel Outlet Coolant Drain Lug for Rope Oil Drain Plug Alternator Check Door Sub ...

Page 11: ...cuit Breaker 2 Controller 3 Emergency Stop Button 4 3 Phase Breaker 5 1 Phase Breaker 6 Voltage Regulator 7 Power Switch Air Bleeding 8 Battery Isolator Accessories Nipple 2 pieces Fuse 2 pieces Owner s Manual User s Manual For Engine ...

Page 12: ...8 4 3 Output Panel Side Door 3 Phase ELCB 1 Phase ELCB 1 Phase Receptacle 15A 3 Phase Receptacle 20A Bonnet Grounding Terminal Output Terminal Cover ...

Page 13: ...f the gen set START button Press this button to initiate the start sequence of the engine LEFT button Use this button to move left or to change the mode The button can change the mode only if the main screen with the indicator of currently selected mode is displayed RIGHT button Use this button to move right or to change the mode The button can change the mode only if the main screen with the indi...

Page 14: ...Use this button to move down or decrease value ENTER button Use this button to finish editing a setpoint or moving right in the history page GCB button No use GENERATOR status indicator There are two states Gen set OK indicator is green and Gen set failure indicator is red Green LED is on if the generator voltage is present and within limits Red LED starts flashing when gen set failure occurs Afte...

Page 15: ... OFF and re set the button turning clockwise after using the emergency stop button 3 Main Circuit Breaker By turning this circuit breaker on the control panel to ON Power will be transferred to the output receptacles and to the load side The breaker trips to OFF either overload or short circuit Note Do not use ELCB as the ON OFF switch to the load 4 3 Phase Circuit Breaker 1 Phase Circuit Breaker ...

Page 16: ...sion to load Note Do not use this breaker as the ON OFF switch to the load 6 Battery Isolator When turning the switch to OFF the engine electric circuit does not activate due to no battery power 5 3 Voltage Regulator 1 Voltage Regulator The dial adjusts generator output voltage By turning the dial clockwise you can increase the voltage By turning the dial counter clockwise you can decrease the vol...

Page 17: ... the lever to A position and fix the plugs 2 Using fuel from external fuel tank Connect hoses from the external fuel tank to the external fuel intake and the external fuel return ports and set the lever for 3 way valve to B position You can now supply the fuel from the external gas tank For detailed instructions refer to 9 5 Connecting to External Fuel Tank CAUTION Fire Always stop the engine when...

Page 18: ...ays use a Lift lug when lifting the equipment for transportation 2 Transporting the equipment When transporting the equipment make sure that the equipment is secured properly with ropes tied to the roping lugs through Note Always use extreme care when loading unloading and transporting the equipment otherwise damages and malfunction of the equipment may bring 6 Transportation and installation Lift...

Page 19: ...paint etc away from the equipment Always set the equipment on hard flat surface Keep the equipment at least 1m from a wall or any obstacles to allow workable space to access the control panel and opening of the panel door Note This equipment must be operated on hard and flat surface Operating under any other conditions may result in malfunctions Do not block the airflow from radiator vent or muffl...

Page 20: ... be greater voltage drop between cables which brings voltage drop to loads It may result in reduced performance in the connected loads malfunction or damages Note It is recommended to select the proper gauge and length of cable in consideration of the maximum 5 marginal drop only for the rated voltage between the terminals of loads and generator via the cables Expedient Formula the voltage drop of...

Page 21: ...put to any indoor wiring Note Divide loads into 3 circuits proportionally as possible when using the maximum output power especially and connect them to each phase R S T respectively Be careful to limit the current under the rated current per the phase Note that the 1 phase output power decreases when 3 phase output power is used simultaneously Be careful to limit the total current under the rated...

Page 22: ... is activated you should always repair the leaking place first of all The generator is provided with the earth leakage circuit breaker ELCB to detect any Leakage produced due to such the trouble as insulation failure of the load while the generator is running and to cut off the circuit for protection against any accident such as electrical shock resulting from the trouble The specification of ELCB...

Page 23: ...s to Green from RED and ELCB trips to OFF Which shows NORMAL Push the TEST button Blue on 1 Phase ELCB Red lamp turns to OFF and ELCB trips to OFF Which shows NORMAL In the event you cannot complete every step of the above procedure to the end the device is out of order Consult with our authorized distributor or our engineering section and ask to repair WARNING Electric Shock Injuries Before turni...

Page 24: ... leakage point and restore it by the following procedure Overload happens when the breaker activates but the Earth leakage breaker does not activate Turn the 3 Phase ELCB to ON to restore Turn the 1 Phase ELCB to RESET to restore By the above procedure you can reset the ELCB to ON positions 1 ...

Page 25: ...to the user s manual for Engine separately When checking for engine oil be sure to keep the equipment leveled and insert not screw in forcibly the oil gauge all the way in Prior to starting the equipment make sure to fill the engine oil to the MAX line through the oil filler Note Check engine oil volume IN 10 20 MINUTES LATER always after stopping engine or replenishing fuel If the equipment is no...

Page 26: ... position CAUTION Burns Do not open the radiator cap while operating this equipment or immediately after stopping the equipment to avoid sustaining burns from hot vapor or water Do not touch the engine and muffler during operation and immediately after stopping the equipment for the temperature can reach extremely high levels Check the radiator and coolant reservoir tank for water and add water in...

Page 27: ...mix ratio is 30 liquid and 70 water is installed Isuzu Genuine LLC Besco LLC Super Type E Be sure to use the same LLC into sub tank The mix ration should be changed to ambient temperature but between 30 and 50 When replenishing LLC be sure to use the same brand as the LLC left in the radiator and sub tank Never use the mixed LLC by different brands Be sure to change wholly in less than 2 years or ...

Page 28: ...Condition Check for any damage on the fan belt Replace if necessary Note Refer to the User s manual for Engine for adjusting and replacing of the fan belt 8 4 Checking Fuel CAUTION Fire Always wipe any drip of Diesel fuel or oil Do not use this equipment when a leak is found Repair the equipment before use Check for the fuel level in the tank Add if necessary Note Use Diesel fuel ASTM D975 No 2 D ...

Page 29: ...ed engine oil with diesel fuel Some manufacturers of large diesel engines allow this however for your diesel engine do not use the diesel fuel which has been contaminated with engine oil Besides causing engine damage such fuel can also affect emission control Before using any diesel fuel check with the service station operator to see if the fuel has been mixed with engine oil Do not use any fuel a...

Page 30: ...r or lower than the LOWER LEVEL add distilled water until the fluid level reaches the UPPER LEVEL limit Make sure that the battery cables are firmly secured to the posts Tighten the clamps more if necessary Note Check the hydrometer of the battery fluid If it falls below 1 23 the battery requires recharging Please call our authorized distributor or our engineering section Replacing the Battery Rem...

Page 31: ...e items such as fuel gas paint etc away from the equipment Always operate this equipment on flat surface and at least 1 meter away from any objects wall box etc CAUTION Injuries Always place the equipment on a flat and stable surface to keep the equipment from sliding When starting the engine turn off the connected equipment and set the circuit breaker to OFF position Turn every circuit breakers t...

Page 32: ...Adjusting the Voltage Regulate Dial set it to the required voltage 50Hz RUN 415V Turn the circuit breakers to ON to send power to the load side WARNING Electric Shock Injuries Before turning ELCB to ON to send power to the load side always ensure that any circuit breaker and switch of loads are positioned to OFF In the case the generator and the load are away from each other proceed with the above...

Page 33: ... voltage on the Operation Display and finely adjust voltage using the voltage regulator dial Extracting the air out of the fuelling system for engine stop due to no fuel Refer to the User s manual for Engine This generator is equipped with automatic extracting feature Thus if the engine stops due to running out of fuel follow the next steps to extract the air out Add fuel to the generator Turn the...

Page 34: ... breaker on the load to OFF Turn every circuit breaker to OFF position Let engine idles for approximately 3 minutes for cool down Press the Stop button to shut off the engine Turn the Power Switch to OFF position Turn the Battery Isolator to OFF position 4 5 1 2 3 6 ...

Page 35: ...lly stop operation when there is a fault malfunction during operation and this is to warn the operator of the fault location by use of the Operation Display Check the fault location when the engine is automatically stopped or appear warning on the Operation Display Protection Feature List No Action Abnormality ECLB Trip Breaker Trip Engine Automatic Shutdown Controller display Cause 1 Low Oil Pres...

Page 36: ...edure it makes possible to use an External Fuel Tank Note Use always oil proof hose in 8 10mm inner diameter as connecting hose The fuel level in the external fuel tank should be 0 to 3m higher than the bottom of the equipment Otherwise it may cause engine malfunction or stoppage To avoid any leak from the external fuel intake and return ports always turn the lever for 3 way Valve to A position wh...

Page 37: ...Wait until the engine cools down before performing any checks CAUTION Fire Always wipe any drip of fuel or oil Do not use this equipment when a Leak is found Repair the equipment before use To optimize the use of this generator we recommend the periodical equipment checks and maintenance based on following maintenance matrix Note The authorized technicians only should perform all maintenance work ...

Page 38: ... Drain water from Fuel Tank Clean water separator and clean Gauze Filter in Engine Feed Pump Clean Change filter in the Magnet Pump for air extraction in fuel line Replace Clean inside Fuel Tank Leak check fuel oil and coolant Replacing fuel hose or 1 yr Clean or replace Air Cleaner Element Clean Replace Battery fluid level check Battery hydrometer check Fan Belt check Radiator Flush Cleaning Chec...

Page 39: ...e type of engine oil to use and to replace refer to 8 1 Checking Engine Oil 2 Oil Filter Change Drain the engine oil fully as described in 1 CHANGE ENGINE OIL Loosen and remove the oil filter using an oil filter wrench Smear a little engine oil on the rubber gasket of the new oil filter Screw a new filter into place and tighten it by hand until the gasket contacts the seat Then give it additional ...

Page 40: ...ner Cap at the arrow mark upside Clean the element more often where the equipment is used in dusty condition Element Part No Isuzu Part No 5142150140 Clean Air Filter Element Dried contaminants adhered Blast the compressed air to Element from inside Carbon and oil adhered Change to a new Filter Clog Indicator The clog indicator to display clog in the Air Filter Element is incorporated to air filte...

Page 41: ...hat there is no fuel leakage from the water Sedimentor by turning the fuel lever to OPEN 5 Drain water in fuel filter Turn the Fuel Lever on the Water Sedimentor to CLOSE Remove the Fuel Filter by filter wrench Dispose the water in the Fuel Filter When changing the Fuel Filter smear the oil to the Gasket slightly Put the filter by hand until the Gasket touches the seal and turn the filter at 2 3 t...

Page 42: ...hours Turn the cover located at the bottom of pump counter clockwise and remove filter Reinstall a replacing filter in the reverse order Note Put a tray under the lever in order to catch spilled fuel when changing filter Extract the air in fuel line after filter changing finishes Refer to 9 2 Procedures during Operation Ensure that there is no fuel leakage after reinstallation Filter Part No Isuzu...

Page 43: ...e side After draining finishes tighten the radiator drain lever and the drain plug on the engine side Drain the sub tank stay and drain coolant in the sub tank Reinstall the sub tank and fill coolant up to MAX level Fill coolant into radiator up as far as the water inlet level Tighten the radiator cap Close the radiator cap cover and Reinstall the radiator plate Note Refer Coolant to 8 2 Checking ...

Page 44: ... performing any checks CAUTION Fire Always wipe any drip of Diesel fuel or oil Do not use this equipment when a leak is found Repair the equipment before use 1 Storage Procedures If the generator will not be used for more than two months perform the following maintenance and storage procedures Remove Battery Change engine oil Drain fuel in the Fuel Tank and Fuel Filter Clean all parts cover the eq...

Page 45: ...nts in the lower equipment firstly and then stack the upper equipment on it All the ties should be the same size dimension and longer than the width of the lower generator Do not stack more than 2 units The lower generator should be bigger than the upper generator in size and weight Do not operate the stacking stacked equipment WARNING Electric Shock Do not operate the equipment if the equipment o...

Page 46: ...Ambient temperature falls down below zero 1 Fuel is frozen 2 Water in fuel line is frozen 3 Pre heater is defective 1 Use winterized fuel 2 Drain water in fuel line 3 Ask our distributor to repair Engine starts but stalls immediately 1 Fuel filter is clogged 2 Gauze Filter is clogged 3 Water is interfused in fuel line 4 Air is interfused in fuel line 5 Poor piping connection to external fuel tank ...

Page 47: ...r dial is defective 4 Frequency is low 1 Ask our distributor to repair 2 Ask our distributor to repair 3 Ask our distributor to repair 4 Ask our distributor to repair The voltage value exceed the rated voltage 1 Controller is defective 2 AVR is defective 1 Ask our distributor to repair 2 Ask our distributor to repair The voltage drops drastically when connecting to load 1 AVR is defective 2 Unbala...

Page 48: ...44 13 Generator Circuit Diagram ...

Page 49: ...45 14 Engine Circuit Diagram ...

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